#!/bin/bash
set -e

DIR="/caches"

while true; do
    TIMESTAMP=$(date '+%Y-%m-%d %H:%M:%S')
    echo "[$TIMESTAMP] Starting cleanup"

    if [ -d "${DIR}" ]; then
        find "${DIR}" -type f -mmin +6 -delete 2>/dev/null
    fi

    if [ -n "${DATABASE_URL}" ]; then
        psql "${DATABASE_URL}" -v "ON_ERROR_STOP=1" <<'SQL'
BEGIN;
DELETE FROM chats WHERE created_at <= NOW() - INTERVAL '6 minutes';
DELETE FROM messages WHERE created_at <= NOW() - INTERVAL '6 minutes';
DELETE FROM users WHERE created_at <= NOW() - INTERVAL '6 minutes';
COMMIT;
SQL
    else
        echo "  DATABASE_URL not set, skipping DB cleanup"
    fi

    echo "[$TIMESTAMP] Cleanup completed"
    sleep 60
done